1 answer published. Last candidate submission on Sep 12 2026, 3:40pm PDT. Interview question asked to Software Engineers interviewing at Commvault, Pareteum, Instagram and other companies. Original question asked: A user complains their video is stuck processing for hours so how do you design the system to prevent bottlenecking. Question last reported by a candidate interviewing at Travelperk for a Software Engineer interview on Jul 25 2026, 12:28pm PDT.